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Removing yellowing from Amigas with peroxide
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15 July 2008, 23:41
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Merlin
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Join Date: Mar 2007
Location: Manchester, UK
Age: 62
Posts: 1,163
We use 35% H2O2 at work, for bleaching dyestuffs out of our trade effluent and to buffer the pH after neutralising formaldehyde with caustic soda....
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Merlin
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